Advanced Materials,
Год журнала:
2023,
Номер
36(12)
Опубликована: Апрель 19, 2023
Abstract
With
the
rapid
rise
in
device
performance
of
perovskite
solar
cells
(PSCs),
overcoming
instabilities
under
outdoor
operating
conditions
has
become
most
crucial
obstacle
toward
their
commercialization.
Among
stressors
such
as
light,
heat,
voltage
bias,
and
moisture,
latter
is
arguably
critical,
it
can
decompose
metal‐halide
(MHP)
photoactive
absorbers
instantly
through
its
hygroscopic
components
(organic
cations
metal
halides).
In
addition,
charge
transport
layers
(CTLs)
commonly
employed
PSCs
also
degrade
presence
water.
Furthermore,
photovoltaic
module
fabrication
encompasses
several
steps,
laser
processing,
subcell
interconnection,
encapsulation,
during
which
are
exposed
to
ambient
atmosphere.
Therefore,
a
first
step
long‐term
stable
photovoltaics,
vital
engineer
materials
maximizing
moisture
resilience,
be
accomplished
by
passivating
bulk
MHP
film,
introducing
passivation
interlayers
at
top
contact,
exploiting
hydrophobic
CTLs,
encapsulating
finished
devices
with
barrier
layers,
without
jeopardizing
performance.
Here,
existing
strategies
for
enhancing
stability
reviewed
pathways
moisture‐resilient
commercial
formulated.
Science,
Год журнала:
2024,
Номер
384(6692), С. 189 - 193
Опубликована: Апрель 11, 2024
Inverted
(pin)
perovskite
solar
cells
(PSCs)
afford
improved
operating
stability
in
comparison
to
their
nip
counterparts
but
have
lagged
power
conversion
efficiency
(PCE).
The
energetic
losses
responsible
for
this
PCE
deficit
pin
PSCs
occur
primarily
at
the
interfaces
between
and
charge-transport
layers.
Additive
surface
treatments
that
use
passivating
ligands
usually
bind
a
single
active
binding
site:
This
dense
packing
of
electrically
resistive
passivants
perpendicular
may
limit
fill
factor
PSCs.
We
identified
two
neighboring
lead(II)
ion
(Pb
Science,
Год журнала:
2023,
Номер
381(6653), С. 63 - 69
Опубликована: Июль 6, 2023
Improved
stability
and
efficiency
of
two-terminal
monolithic
perovskite-silicon
tandem
solar
cells
will
require
reductions
in
recombination
losses.
By
combining
a
triple-halide
perovskite
(1.68
electron
volt
bandgap)
with
piperazinium
iodide
interfacial
modification,
we
improved
the
band
alignment,
reduced
nonradiative
losses,
enhanced
charge
extraction
at
electron-selective
contact.
Solar
showed
open-circuit
voltages
up
to
1.28
volts
p-i-n
single
junctions
2.00
cells.
The
achieve
certified
power
conversion
efficiencies
32.5%.
Science,
Год журнала:
2023,
Номер
381(6653), С. 59 - 63
Опубликована: Июль 6, 2023
Silicon
solar
cells
are
approaching
their
theoretical
efficiency
limit
of
29%.
This
limitation
can
be
exceeded
with
advanced
device
architectures,
where
two
or
more
stacked
to
improve
the
harvesting
energy.
In
this
work,
we
devise
a
tandem
perovskite
layer
conformally
coated
on
silicon
bottom
cell
featuring
micrometric
pyramids—the
industry
standard—to
its
photocurrent.
Using
an
additive
in
processing
sequence,
regulate
crystallization
process
and
alleviate
recombination
losses
occurring
at
top
surface
interfacing
electron-selective
contact
[buckminsterfullerene
(C
60
)].
We
demonstrate
active
area
1.17
square
centimeters,
reaching
certified
power
conversion
31.25%.
Energy & Environmental Science,
Год журнала:
2023,
Номер
17(3), С. 1153 - 1162
Опубликована: Дек. 20, 2023
Minimizing
interfacial
recombination
loss
in
inverted
perovskite
solar
cells
is
achieved
by
introducing
piperazinium
diiodide
(PDI)
as
a
surface
modifier
to
passivate
deep
defects
and
adjust
the
interface
band
bending.
Science,
Год журнала:
2024,
Номер
383(6688), С. 1236 - 1240
Опубликована: Март 14, 2024
Power
conversion
efficiencies
(PCEs)
of
inverted
perovskite
solar
cells
(PSCs)
have
been
improved
by
the
use
a
self-assembled
monolayer
(SAM)
hole
transport
layer.
Long-term
stability
PSCs
requires
keeping
SAM
compact
under
layer
during
operation.
We
found
that
strong
polar
solvents
in
precursor
desorb
if
it
is
anchored
on
substrates
hydrogen-bonded,
rather
than
covalently
bonded,
hydroxyl
groups.
used
atomic-layer
deposition
to
create
an
indium
tin
oxide
substrate
with
fully
covalent
hydroxyl-covered
surface
for
anchoring,
as
well
trimethoxysilane
group
exhibited
tridentate
anchoring
substrate.
The
resulting
achieved
PCEs
24.8
(certified
24.6)
and
23.2%
aperture
areas
0.08
1.01
square
centimeters,
respectively.
devices
retained
98.9
98.2%
initial
PCE
after
1000
hours
damp-heat
test
operation
maximum
power
point
tracking
at
85°C
1200
standard
illumination,
